Method for eliminating shrinkage cavities in cast cosmetic stick

Details Method for eliminating shrinkage cavities in cast cosmetic stick Method for eliminating shrinkage cavities in cast cosmetic stick

1978-07-24

1979-04-03

Hoag, W. E.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264267, 264269, 264299, 264271, 264320, 425DIG32, B29C 500, B29F 500

Patent

active

041477502

ABSTRACT:
Prepares a wax-based applicator stick by pouring a melt of said wax-based material into a dispenser container, allowing said material to cool to a semi-solid state, inserting a tubular probe into the center of said mass, withdrawing the same to form a cavity and then flaming the mass to eliminate the cavity so formed.

REFERENCES:
patent: 2821760 (1958-02-01), Kurzinski
patent: 3493309 (1970-02-01), Grisel
patent: 4069574 (1978-01-01), Krevald et al.

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